/*
 * @(#)VerboseInputStream.java	1.0 Mar 8, 2008
 *
 *	The MIT License
 *
 *	Copyright (c) 2008 Malachi de AElfweald <malachid@gmail.com>
 *
 *	Permission is hereby granted, free of charge, to any person obtaining a copy
 *	of this software and associated documentation files (the "Software"), to deal
 *	in the Software without restriction, including without limitation the rights
 *	to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *	copies of the Software, and to permit persons to whom the Software is
 *	furnished to do so, subject to the following conditions:
 *
 *	The above copyright notice and this permission notice shall be included in
 *	all copies or substantial portions of the Software.
 *
 *	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *	OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 *	THE SOFTWARE.
 */
package org.eoti.io.stream;

import java.io.FilterInputStream;
import java.io.PrintWriter;
import java.io.InputStream;
import java.io.IOException;

public class VerboseInputStream
	extends FilterInputStream
{
	protected PrintWriter log;

	public VerboseInputStream(InputStream in, PrintWriter log)
	{
		super(in);
		this.log = log;
		log.format("%s init'd.", this.getClass().getName());
	}

	public int read()
		throws IOException
	{
		int byteRead = in.read();
		show(byteRead);
		return byteRead;
	}

	public int read(byte b[], int off, int len)
		throws IOException
	{
		int numRead = in.read(b, off, len);
		if(numRead == -1)
			return numRead;

		for(byte bRead : b)
			show(bRead);

		return numRead;
	}

	public void close()
		throws IOException
	{
		in.close();
		log.format("\n%s closed.", this.getClass().getName());
	}

	protected void show(byte byteRead)
	{
		show(byteRead & 0xff);
	}

	protected void show(int byteRead)
	{
        log.print((char)byteRead);
	}
}
